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  • LM2611: LM2611

    Part Number: LM2611 Hello, I recently built a CCA that uses an LM2611AMF CUK regulator. Applied power is 12VDC and Vout set for -3.3V (RFB1 is 16.9k and RFB2 is 10k). My problem is when power is applied to the input of device, it acts as a short circuit…

  • LM2611: 33KHz Oscillation in -5V power

    Part Number: LM2611 Hi team, We are using the LM2611BMFX part in our design for converting 12V to -5V. This power is going to the analog section in our design. We have seen noises in the Analog section & while analyzing this, we have observed that there…

  • LM2611: Recommended inverting boost converter

    Part Number: LM2611 Other Parts Discussed in Thread: TPS63700 Hi team, Can you suggest inverting boost converter with the requirements below? Vin: 5.2V, Vout: -12.4V, Iout: 0.4A TPS63700 can not draw enough current in this Vin/Vout case. I have submitted…

  • LM2611: LM2611 date code

    TI Thinks Resolved
    Part Number: LM2611 What s decode date code on my LM2611?

  • LM2611: High-Duty Compensation Calculation

    TI Thinks Resolved
    Part Number: LM2611 Hi, I am designing a converter around the LM2611 to produce a -12V rail from a 3-5V input. This would give a duty cycle of ~73%, which per the datasheet requires the addition of an extra compensating pole-zero pair in the feedback…

  • LM2611: schematic review for -12V from 12V

    TI Thinks Resolved
    Part Number: LM2611 Hi, Could you review the schematic for -12V output from 12V? current is 5mA. Additionally, what component has to be changed for 50mA current? Now R16 is 87.5kOhm. Thanks.

  • [FAQ] LM2611: how to generate -2.5V

    TI Thinks Resolved
    Part Number: LM2611 I want to know how to generate -2.5V with this part. I read the datasheet and I don't see any reference in how to configure the part. 8.2.3.1 Design Requirements This design converts 9 V (VIN) to –5 V (VOUT). Adjust RFB2 to set…
    • Answered

  • LM2611: LM2611: instability

    Resolved
    Part Number: LM2611 I'm noticing some very odd behavior with my design for the LM2611. I'll give you some quick specs: L1: 22 uH L2: 47 uH Cin: 22 uF Cout: 23.1 uF (three caps, one 22 uF, one 1 uF, and one 0.1 uF) Ccuk: 2.2 uF Vin: 13 V - 13.9…
    • Resolved
    • Answered

  • LM2611: Miniaturization review

    Resolved
    Part Number: LM2611 Other Parts Discussed in Thread: LM2664 Hi sir, For AN–1203 LM2611 Demo Board, In condition of Vin5V、VOUT-5V、Iout≦300mA, this EVM use inductors of CR32-220(Sumida). https://www.ti.com/lit/ug/snva041b/snva041b.pdf?ts=1603170693055&ref_url…
    • Resolved
    • Answered

  • LM2611: schematic review request

    Resolved
    Part Number: LM2611 Hi Team, Can you please help to - 1. review the schematic 2. confirm whether the inductor selected is fine. 3. let me know if the inductor is overkill. VIN = 12V VOUT= -20.5V (negative) IOUT = 0.2mA INDUCTOR L27 & L28 = SRN6045…
    • Resolved

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